[INFO] cloning repository https://github.com/xxuejie/ckb-vm-kcov-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xxuejie/ckb-vm-kcov-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxuejie%2Fckb-vm-kcov-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxuejie%2Fckb-vm-kcov-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a2b4f242dd26d3b3b7697bd2f469ebf38436a19
[INFO] checking xxuejie/ckb-vm-kcov-bug against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxuejie%2Fckb-vm-kcov-bug" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xxuejie/ckb-vm-kcov-bug on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xxuejie/ckb-vm-kcov-bug
[INFO] finished tweaking git repo https://github.com/xxuejie/ckb-vm-kcov-bug
[INFO] tweaked toml for git repo https://github.com/xxuejie/ckb-vm-kcov-bug written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/xxuejie/ckb-vm-kcov-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cecdc4efe6290ee1ed4181f81a5d7e3074d8bcd3bf81393a0010480c48e7a2bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cecdc4efe6290ee1ed4181f81a5d7e3074d8bcd3bf81393a0010480c48e7a2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cecdc4efe6290ee1ed4181f81a5d7e3074d8bcd3bf81393a0010480c48e7a2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecdc4efe6290ee1ed4181f81a5d7e3074d8bcd3bf81393a0010480c48e7a2bd", kill_on_drop: false }`
[INFO] [stdout] cecdc4efe6290ee1ed4181f81a5d7e3074d8bcd3bf81393a0010480c48e7a2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ddb00be9fac9ad5f730f3d950e22ad1dedcf8ac329208a29d0480f9722138bd
[INFO] running `Command { std: "docker" "start" "-a" "2ddb00be9fac9ad5f730f3d950e22ad1dedcf8ac329208a29d0480f9722138bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking ckb-vm-definitions v0.13.0
[INFO] [stderr]    Compiling ckb-vm v0.13.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking ckb-vm-kcov-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.54s
[INFO] running `Command { std: "docker" "inspect" "2ddb00be9fac9ad5f730f3d950e22ad1dedcf8ac329208a29d0480f9722138bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddb00be9fac9ad5f730f3d950e22ad1dedcf8ac329208a29d0480f9722138bd", kill_on_drop: false }`
[INFO] [stdout] 2ddb00be9fac9ad5f730f3d950e22ad1dedcf8ac329208a29d0480f9722138bd